function doShowHideLocDirections(id) {
    var div = document.getElementById('divEventLocDir' + id);
    var span = document.getElementById('spanShowHideDirections' + id);

    if( div.style.visibility == 'visible') { 
        span.innerHTML = 'Show Directions'; 
        div.style.visibility = 'hidden';
        div.style.display = 'none'; 
     } else { 
        span.innerHTML = 'Hide Directions'; 
        div.style.visibility = 'visible';
        div.style.display = ''; 
     }
}